HOLSTEIN SX-AF4Y Idle Air Control Valve Fuel 2.5L 3.0L L6

( Brand: Holstein ), ( Type: Idle Air Control Valve ), ( Manufacturer Part Number: SX-AF4Y ), ( Ipn: C475 73-58 ), ( Item Height: 2.000 ), ( Item Length: 8.000 ), ( Item Weight: 1.2500 ), ( Item Width: 6.000 ), ( Placement On Vehicle: Air Fuel Delivery Fuel Injection System ), ( Compatible Year: 2005 2004 2003 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Holstein Idle Air Control Valve )

Review HOLSTEIN Idle Air Control Valve Bmw 2.5l 3.0l L6 Fuel Kw fits Z4 2003–2005

The Holstein SX-AF4Y Idle Air Control Valve is an essential component of the fuel injection system in BMW Z4 models from 2003 to 2005 equipped with the 2.5L and 3.0L L6 fuel engines. This valve plays a crucial role in maintaining consistent engine performance and idling stability.

The SX-AF4Y Idle Air Control Valve is designed with a sophisticated solenoid actuator that regulates the amount of air entering the engine during idle. This precise control ensures optimum fuel-air mixture for a cleaner burn, enhanced fuel efficiency, and reduced exhaust emissions.

Manufactured using high-quality materials, the Holstein Idle Air Control Valve offers robustness and durability. It is specifically engineered to fit and function seamlessly with the BMW Z4's fuel injection system.

The valve's housing is made from heat-resistant materials that can withstand the high temperatures encountered within the engine compartment. The diaphragm, which is responsible for sensing engine vacuum and controlling airflow, is made of a durable elastomer material that ensures consistent performance over time.

The Holstein SX-AF4Y Idle Air Control Valve comes with a plug-and-play design, making it easy to install. It is a direct replacement for the original equipment, ensuring a hassle-free installation process.

By upgrading your BMW Z4 with this premium Holstein Idle Air Control Valve, you can enjoy improved engine performance, enhanced fuel efficiency, and a more responsive driving experience. Additionally, this upgrade can help prolong the lifespan of your fuel injection system by preventing potential issues related to faulty or worn-out idle air control valves.

In summary, the Holstein SX-AF4Y Idle Air Control Valve is a high-performance, direct replacement component for BMW Z4 models from 2003 to 2005. It is designed to provide superior engine performance, improved fuel efficiency, and increased durability. With its robust construction and easy installation, this upgrade is a worthy investment for any BMW Z4 enthusiast seeking to maximize their vehicle's potential.

The Holstein SX-AF4Y idle air control valve is a potential replacement option for BMW Z4 models with 2.5L and 3.0L L6 fuel engines manufactured between 2003 and 2005. Like any automotive part, it comes with its advantages and disadvantages.

1. OEM Equivalence: The Holstein SX-AF4Y is an Original Equipment Manufacturer (OEM) equivalent part, ensuring a perfect fit and optimal performance for your BMW Z4.

2. Improved Idle Stability: The Holstein idle air control valve can provide better idle stability, helping to maintain consistent engine performance and reduce rough idling.

3. Potential Cost Savings: OEM parts can be expensive, but an aftermarket equivalent like the Holstein SX-AF4Y can offer potential cost savings without sacrificing quality.

1. Availability: Depending on your location, the Holstein SX-AF4Y idle air control valve may not be readily available at your local dealership or auto parts store. You may need to order it online or through a specialty shop.

2. Installation Complexity: The installation process of the Holstein SX-AF4Y idle air control valve may be more complex than some other aftermarket parts due to its OEM equivalence and the specificity of the BMW Z4 engine.

3. Cost: While the Holstein SX-AF4Y may offer potential cost savings compared to OEM parts, it can still be more expensive than some aftermarket alternatives.

In conclusion, the Holstein SX-AF4Y idle air control valve for the BMW Z4 can provide improved idle stability, ensuring optimal engine performance. However, it may not be as readily available as other aftermarket parts, and its installation process can be more complex. Additionally, while it offers potential cost savings compared to OEM parts, it can still be more expensive than some alternatives. Ultimately, the decision to purchase the Holstein SX-AF4Y idle air control valve depends on your priorities, including performance, availability, and cost. If optimal engine performance is your top concern, and you don't mind the potential complexities and costs, the Holstein SX-AF4Y may be the best choice for your BMW Z4. If you're looking for a more affordable and easily available alternative, you may want to consider other aftermarket options.

part # sxaf4y price

• $123.80

specifications injectiopug:

• for models: Z4
• for makes: Bmw
• for years: 2003-2005
• brand: Holstein
• type: Idle Air Control Valve
• manufacturer part number: SX-AF4Y
• interchange part number: C475 73-58
• item height: 2.000
• item length: 8.000
• item weight: 1.2500
• item width: 6.000
• placement on vehicle: Air Fuel Delivery Fuel Injection System
• compatible year: 2005 2004 2003
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Holstein Idle Air Control Valve

seller injectiopug:

• # reviews: 564128
• rating: 98.7%

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

shipping injectiopug:

• class: Standard, Expedited
• transit: 4-8 Days
• type: Fixed
• cost: $0.00
• service: Standard, Expedited

offer injectiopug:

• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0
• started: August 31, 2025

payments injectiopug:

• credit card: Mastercard
• wallet: Apple-pay
• other

returns injectiopug:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

Holstein SX-AF4Y Is Similar To:

• Holstein 2iac0007 Idle Air Control Valve Fits 97-01 Honda Cr-v 2.0l-l4 (60.9% similar) $117.99–$327.99. (December 20th, 2024)
• Holstein Sx-3jz5 Idle Air Control Valve For 1993 Bmw 525it 2.5l L6 Fuel Delivery Tk (73.2% similar) $121.32–$201.99. (January 1st, 2025)
• Holstein C722 56-51 Idle Air Control Valve For 1996-2000 Bmw 528i 2.8l L6 Fuel Delivery Lc (70.2% similar) $30.60–$35.22. (January 2nd, 2025)
• Holstein 2iac0144 Idle Air Control Valve Direct Fit (57.6% similar) $54.69–$58.43. (January 6th, 2025)
• Holstein 2iac0174 Idle Air Control Valve Direct Fit (57.6% similar) $33.67–$83.99. (January 28th, 2025)
• Holstein Sx-gqn2 Idle Air Control Valve For 1995 Chevrolet K1500 4.3l 5.0l 5.7l V6 Fu (65.1% similar) $25.65. (February 1st, 2025)
• Holstein 2iac0020 Idle Air Control Valve (54.5% similar) $25.46–$35.10. (February 28th, 2025)
• Holstein 2iac0022 Parts 2 Iac0022 Idle Air Control Valve (48.2% similar) $23.85–$46.99. (March 15th, 2025)
• Holstein 2iac0028 Parts 2 Iac0028 Idle Air Control Valve (48.2% similar) $29.33–$41.49. (April 23rd, 2025)
• Holstein Sx-d1zr Idle Air Control Valve For 2001-2006 Bmw 330xi 3.0l L6 Fuel Ks (83.8% similar) $123.80. (May 1st, 2025)
• Holstein C470 43-64 Idle Air Control Valve For 1993-2005 Bmw 525i 2.5l L6 Fuel Delivery Vo (73.7% similar) $123.80. (May 1st, 2025)